# 特殊属性和方法
print(dir(object));
# ['__class__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__',
# '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__ne__', '__new__', '__reduce__', '__reduce_ex__',
# '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__']

# __*__ 都可以称之为特殊属性/方法
# 具体作用...